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R. B. PRINDLE.

Thin-Coupling.

No 22,672. Patented Jan. 18, 1859 N. PETERS PMUTKLIYNOGMPNER wASHmGTON, D C

NETE@ STATES PATENT OFFICE.

MODE OF ATTACI-IING THILLS TO VEHICLES.

Specification of Letters Patent No. 22,672. dated January 18, 1859.

To nl( whom it may concer-n:

The mitin-voi" my inwntion voneirsin in th@ motn ot masking' tho boit or pin, :ind thu` nnninor ot' insu-ting it. for thtVx iinrpono of elttzicuiingr thiiis or shntis to 'v0hiiif i or for other nnrgioxiw which may require n pzirt- :n1/i reniznrmi with tmfility to he? roinown :ind :i wrtninty ot rvtnininill its position.

In order to cnzihi others Skilled in the arti; to nmlie anni nso my invention YI will proventi to i'ltst'riho it inori in detail.

(Fiqln'o l) reprcqents thil shafts ntizuhod to thv :ixhin :i position 4for draft, .in which the boit or pin is pertectii secure from com ingl or boing` taken ont. (Fig. 2) represents tinx shafts rinsed np in a position so that thvy boit or pin is :free to take onty and replace hy tho thinnh :nid finger. (Fig. 3) is an eninrgvfi vitw off the hing-0, or what is tochnicniiy iiiinod :i rfockeyo, Showing; tho hote for the thing@ holt.' (Fig. L1 Shows the tinngr holt or pini (A) is the :ixio to which :i pnrt of the hingfo or coikoyn (fl) iS .Qnmiriii in. :my ot the nSnni modos.

(Il, i3.) :ire thi? ShnttsL with thu othor por tion nt tht.l hingrtvs (l), LJ zlttiiohffi.

In Fig. 4- (CQ) is the hoit or pin to hohi the thiils o1' ,shafts4 in their pimon` :1nd in nimh' round with 2i thnifgv (f5) projooting' on on@ sitio. inni iS tittmi into the slot (rf) in thv portion ot tho hing@y that iS nitido fast to tin' Shntt. :nul tnrns with it. In on@ sitio otiho coifksye (if) (fw Sven in Fig'. 3,) there, is z. corriwponiiing slot (f) io admit thoy Hang@ holt. or pin living; emily innvrtod.

Tinting' thm` fishy described my improved nivthoil ot nttsmhing shafts to whicles. etc.. what ciziiin :is new umh desire to Secure h v Letters Patent. iS-

The flange on the boitor pin is so made and innorted that it Cannot ha rlnoved when the joint is varied troni tho position in which the bolt is introduced.

R. B. PRTNDLIC.

Witnesses:

EDM. F. BROWN, J. B. WOODRUFF. 

